Shuttle check for looms



Mrch l1, 1947. l I DARwlN l 2,417,295

SHUTTLE CHECK FOR LOOMS Filed April 1e, 1945 i INVENTOQ ATTCDmlEslPatented Mar. 11, 1947 UN ITD STAT E S ylfTll NT `l" Fl CE SHUTTLECHECK- FOR LOOMS "4 Clifford Darwin, Worcester, Mass., assignoritof'Crornpton & 'Knowles Loom Works, Worcester, Mass., a 'corporation ofMassachusetts Application April 16, 1945, Seria/TNO."588,529

-3 Claims.

This invention relates to shutue 'checking mechanisms for looms and itis the general object it can move Atoward and from thepath traversed bythe shuttle. v'The binder is ordinarily in the shuttle path and offersresistance to the shuttle as the latter enters the 'shuttle box. Shuttle'binders'of the floating type are so mounted that each'end can movetoward and from the shuttle path, but vsuch bindersarenot ordinarilymade in` such a way that they can be readily moved away from theshuttlepath to relieve pressure on the shuttle. It is an` importantobject of my present invention to provide an improved form of binderAhaving a handle made as a part thereof to facilitate binder movement-when the shuttle is to`be moved out of the shuttle box manually.

It is customary-to apply spring pressure to the inner and outer ends offloating binders, these pressures being f different degrees so that theinner end which cooperates with the protector mechanism will moveoutwardly away from the shuttle path as soon as the shuttle enters thebox. As the shuttle continues to travel into the box the outer end ofthe binder isfmoved away from the shuttle path. It is another object ofi my present invention to provide the binder with a handleextendingalong the binder for such a distance that eitherlthe inner orthe outer end of the binder can be moved away from the shuttle pathdepending upon the point at which the withdrawing force is applied tothe handle.

In looms operating'iwith two or more shuttles it is customary to providea gang of shuttle boxes which are stacked one over the other in closevertical relationship. Because 'of this relationship it hasbeen'dif'cult in the'past'to manipulate the binders manually, andit isanother object of my invention to provide the binder with a handle of.less vertical dimension 'thanthat of the binder so 4'thateach'binder'will have ahand hold readily accessible without'undueinterference on the part of an adjacent'binder.

With theseandother objects in View which will appear as the descriptionproceeds, my invention resides in the combination and arrangementof'parts hereinafter described and set forth.

In the accompanying drawings, wherein a convenient embodiment of myinvention is set forth,

Fig. lis a plan view of a shuttle box of the mul- ,v2 lticell 'typehaving binders made according to my present invention,

Fig. 2 is a front elevation'of vthe shuttle fbox shown in Fig. 1,

`Figs andflare diagrammatic viewsshowing the manner in which the innerand outerends respectively of the binder may be moved depcnd ing uponthe Jpointat which jforce islapplied to the binder handle,

Fig. J5 'is a vertical enlarged section` on line 545 ofFgl,

Fig. e is 'a detailed enlarged section on 11nelB-B, Fig. 1, but with theshuttle-box parts'omitted, and

Fig. l 'is a detailverticalsection von line '1 -1, Fig. 1.

Referring particularly'to Figs. 1 and'2,`I have shown a lay L'having alay 'end -l in whichla gang G of shuttle boxes is 'guided vfor verticalmotion. The'inner end of the gang hasa tongue li received by'a llaycarried guide l2, and the outer endof the gang may be provid-ed withasimilar `tongue [3 tting into afguide lil. As shown in FigeZ the lowerend of the gang G is connected to a box lifter rod l5 which is movedvertically by box shifting mechanism not Shown. A protector finger Bofthe usual type is provided adjacent the inner end of the gang G and-normally exerts a rearward force toward Ythe lay end Il).

Each ofthe upper and'lower shuttle boxes I8 and I 9 is provided-withsabinden these binders being indicatedat v2li and 2|, respectively,inFig. 2. Eachbinder is made preferably oi wood and has a leatherfriction surface 22 and an inner end '23 formed `for cooperation withthe protector nnger I6. The outer end of eachfbinder is formed with apocket 24 the rear or inner end of which maybe providedwith 'ashockabsorbing pad 25 made for V'instance of leather.

A bracket is secured as at 3| to the gang and has a forward extension 32which iismore or 'with spring bearings`35. Check nuts 36 serve to holdeach of the screws 33 'and 34 in adjusted po-l sition. Each binder thasVassociated therewith a compression spring 40 the rear end of 'whichlenters the vcorresponding pocket 24`and the'forward end of which isheld by the associated bearing 35. The outer or left end of each binderas viewed in Fig. 1 is therefore moved rearwardly is adjustableindependently of the other stop and has the adjacent end of thecorresponding binderV held against it by the associated spring 45. Theinner end of the shuttle boxes carries an angle iron stop 49 whichcooperates with stops 45 and 46 to limitr endwi-se movement lof thefloating binders.

In order that wardly in order to relieve pressure on the corre'-`sponding shuttle the front edge of each binder is cut as indicated inFig. 5 to provide an elongated handle or knob 5B. This handle is of lessvertical dimension than the binder to provide ample room between thehandles of adjacent binders forthe operators fingers. Behind each handleare top and bottom recesses 5l and 52 for the operators fingers. y l

Figs. 3 and 4 indicate Adiagrammatically the manner in which either theinner or the outer end of a binder can be moved. In Fig. 3 arrow andspringa represent the resilient rearward force exerted on the binder bythe spring'40, while the arrow and spring b represent the resilientrearward force exertedvby the protector finger I6. Arrow c indicates thepoint at which the weaver will grasp the handle 50 if he wishes to movethe inner or right end of the binder forwardly to the dotted lineposition shown in Fig. 3. In the relationship indicated in Fig. 3 theleverage and yielding forces represented by a andb will result inmovement of the'i binder to the position in dotted lines. In thisposition the protector nger has moved forwardly while the outer end ofthe binder and spring dllhave remained normal.

In Fig. 4 the force for moving the binder forwardly has been moved tothe left and is applied at a point adjacent to springAU, as indicated byarrow d. In this case the binder will move to the dotted line positionof Fig. 4 with its outer end advanced, and with the protector finger innormal position. It will be seen that the handle is sufficiently long topermitV the weaver to Y. pull itforwardly by Yapplying a force on iteither near the center of the binder or near the spring 40 dependingupon whether it is desired to move the inner end of the binder or theouter end thereof forwardly.

From the foregoing it will be seen that I have provided .a simple formof shuttle binder made with a, handle to facilitate its forwardmovement. It will also be seen that the handle has avertical l dimensionless than that of the associated binder sothat when the vbinders arevused in a gang of shuttle boxes each binder can be moved'forwardly V-readily without interference` on the part-of adjacent binders. Also, Yitwill be seen that -the handle is of sufficient length so that Yeitherthe inner or the outer end of the binder can be moved forwardly. It isto be understood of course that after the binder assumes either vof thedotted line positions shown in Fig. 3 or 4 a. further forwardapplication of force to the vhandle will move the each binder maybemoved forbinder as a whole to a Yforward position. 'Fur- Ythermore,`it will be seen that each binderhas its Y seen that changesand modifications may be made therein by those skilled in thev artwithout departing from the spirit and scope of the invention and I donot wish to be limited to the details herein disclosed, but what I claimis:

Y 1. In .a shuttle box for a loom having aprotector iinger, a binderextending along said box and having one end thereof in engagement withthe protector nger, a spring mounted on said rshuttle box andengagingthe other end of theA binder, said protector finger and spring normallyholding the binder in the shuttle box for engagement with a shuttle,said spring exerting a greater force on the binder than said protectorfinger, and a handle integralwith the binder and extending along thelatter between the protector finger and spring and being of such lengththat when a force is applied to the end'thereof adjacent to said springtheA latter will be overpowered while the protector finger remainsnormal, and when ra force is applied to the end of the handle nearer theprotector finger the latter will'be overpowered while said springremains normal.

2. In a shuttle box for a loom having a protector finger, a oatingshuttle binder, said protector finger engaging one end of the binder andurging said end rearwardly into the shuttle box, a spring mounted'on theshuttle box and engaging the other end of the binder and urging thelatter rearwardly into the shuttle box, and a handle formed integralwithsaid binder and located on the front part of the latter andextending from a point adjacent to said spring along said binder otherend thereof, said binder including an elongated body of wood and havingone end thereof formed for engagement with the protector Vnger formovement thereby and having the other end thereof formed to slide alongsaid guide and having means to cooperate with said spring mecha-Y nismfor movement by the transverse force exerted by said mechanismvand aVhandle formed integrally with said wood body extending therealongbetween said one end of the binderand V'said means at said other end ofthe binden Y CLIFFORD DARWIN.

REFERENCES CITED k The following references Vare of record in the le ofthis patent:V K

UNITED STATES PATENTS Date Number Named l 2,082,918 Turner June 8, 193'?V2,238,271' Kretzschmar Apr. 15,1941 2,305,534 y i Lamarche Dec. 15,1942 973,130 Northrop Oct. 18, 1910 yFOREIGN'PATENTS Number Country Date

